Files
privacy.sexy/src/application/collections/macos.yaml
undergroundwires e6152fa76f Improve security hardening for macOS
- Moves security improvements to its own action.
- Add more scripts and documentation for security improvements
- Move "Disable Spotlight indexing" out of wrong firewall category
- Add more documentation
2021-10-19 22:16:40 +02:00

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YAML
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# Structure documented in "docs/collection-files.md"
os: macos
scripting:
language: shellscript
startCode: |-
#!/usr/bin/env bash
# {{ $homepage }} — v{{ $version }} — {{ $date }}
if [ "$EUID" -ne 0 ]; then
script_path=$([[ "$0" = /* ]] && echo "$0" || echo "$PWD/${0#./}")
sudo "$script_path" || (
echo 'Administrator privileges are required.'
exit 1
)
exit 0
fi
endCode: |-
echo 'Your privacy and security is now hardened 🎉💪'
echo 'Press any key to exit.'
read -n 1 -s
actions:
-
category: Privacy cleanup
children:
-
category: Clear terminal history
children:
-
name: Clear bash history
recommend: standard
code: rm -f ~/.bash_history
-
name: Clear zsh history
recommend: standard
code: rm -f ~/.zsh_history
-
name: Clear CUPS printer job cache
recommend: strict
code: |-
sudo rm -rfv /var/spool/cups/c0*
sudo rm -rfv /var/spool/cups/tmp/*
sudo rm -rfv /var/spool/cups/cache/job.cache*
-
name: Empty trash on all volumes
recommend: strict
code: |-
# on all mounted volumes
sudo rm -rfv /Volumes/*/.Trashes/* &>/dev/null
# on main HDD
sudo rm -rfv ~/.Trash/* &>/dev/null
-
name: Clear system cache files
recommend: strict
code: |-
sudo rm -rfv /Library/Caches/* &>/dev/null
sudo rm -rfv /System/Library/Caches/* &>/dev/null
sudo rm -rfv ~/Library/Caches/* &>/dev/null
-
category: Clear OS logs
recommend: strict
children:
-
category: Clear unified logs (diagnostics)
docs: https://developer.apple.com/documentation/os/logging
children:
-
name: Clear diagnostics logs
docs: https://eclecticlight.co/2017/10/10/inside-the-macos-log-logd-and-the-files-that-it-manages/
code: |-
sudo rm -rfv /private/var/db/diagnostics/*
sudo rm -rfv /var/db/diagnostics/*
-
name: Clear shared-cache strings data
docs:
- https://eclecticlight.co/2017/09/23/sierras-unified-log-evolves-more-persistent-and-a-valuable-log-log/
- https://github.com/libyal/dtformats/blob/main/documentation/Apple%20Unified%20Logging%20and%20Activity%20Tracing%20formats.asciidoc
code: |-
sudo rm -rfv /private/var/db/uuidtext/
sudo rm -rfv /var/db/uuidtext/
-
category: Clear system logs (/var/log/)
children:
-
name: Clear Apple System Logs (ASL)
docs:
- https://papers.put.as/papers/macosx/2012/Mac_Log_Analysis_Sarah_Edwards_DFIRSummit2012.pdf
- https://apple.stackexchange.com/questions/98197/is-it-safe-to-delete-system-logs
code: |-
sudo rm -rfv /private/var/log/asl/*
sudo rm -rfv /var/log/asl/*
sudo rm -fv /var/log/asl.log # Legacy ASL (10.4)
sudo rm -fv /var/log/asl.db
-
name: Clear install logs
docs: https://discussions.apple.com/thread/1829842
code: sudo rm -fv /var/log/install.log
-
name: Clear all system logs
docs: https://www.howtogeek.com/356942/how-to-view-the-system-log-on-a-mac/
code: sudo rm -rfv /var/log/* # Clears including /var/log/system.log
-
name: Clear system application logs
docs: https://papers.put.as/papers/macosx/2012/Mac_Log_Analysis_Sarah_Edwards_DFIRSummit2012.pdf
code: sudo rm -rfv /Library/Logs/*
-
name: Clear Mail logs
code: rm -rfv ~/Library/Containers/com.apple.mail/Data/Library/Logs/Mail/*
-
name: Clear audit logs (login, logout, authentication and other user activity)
docs:
- https://papers.put.as/papers/macosx/2012/Mac_Log_Analysis_Sarah_Edwards_DFIRSummit2012.pdf
- http://macadmins.psu.edu/wp-content/uploads/sites/24696/2016/06/psumac2016-19-osxlogs_macadmins_2016.pdf
code: |-
sudo rm -rfv /var/audit/*
sudo rm -rfv /private/var/audit/*
-
name: Clear user logs (user reports)
docs:
- https://www.howtogeek.com/356942/how-to-view-the-system-log-on-a-mac/
- https://apple.stackexchange.com/questions/272929/is-it-safe-to-delete-the-content-of-library-logs
code: sudo rm -rfv ~/Library/Logs/*
-
name: Clear daily logs
docs: https://salt4n6.com/2018/12/11/mac-os-daily-logs/
code: sudo rm -fv /System/Library/LaunchDaemons/com.apple.periodic-*.plist
-
name: Clear receipt logs for installed packages/apps
docs:
- https://apple.stackexchange.com/questions/327174/whats-the-purpose-of-directory-private-var-db-receipts
- https://papers.put.as/papers/macosx/2012/Mac_Log_Analysis_Sarah_Edwards_DFIRSummit2012.pdf
code: |-
sudo rm -rfv /var/db/receipts/*
sudo rm -vf /Library/Receipts/InstallHistory.plist
-
category: Clear browser history
children:
-
category: Clear Google Chrome history
children:
-
name: Clear Google Chrome browsing history
code: |-
rm -rfv ~/Library/Application\ Support/Google/Chrome/Default/History &>/dev/null
rm -rfv ~/Library/Application\ Support/Google/Chrome/Default/History-journal &>/dev/null
-
name: Google Chrome Cache Files
code: sudo rm -rfv ~/Library/Application\ Support/Google/Chrome/Default/Application\ Cache/* &>/dev/null
-
category: Clear Safari history
children:
-
name: Clear Safari browsing history
docs:
- https://discussions.apple.com/thread/7586106?answerId=30314600022#30314600022
- https://davidkoepi.wordpress.com/2013/04/20/safariforensic/
code: |-
rm -f ~/Library/Safari/History.db
rm -f ~/Library/Safari/History.db-lock
rm -f ~/Library/Safari/History.db-shm
rm -f ~/Library/Safari/History.db-wal
# For older versions of Safari
rm -f ~/Library/Safari/History.plist # URL, visit count, webpage title, last visited timestamp, redirected URL, autocomplete
rm -f ~/Library/Safari/HistoryIndex.sk # History index
-
name: Clear Safari downloads history
docs: https://blog.d204n6.com/2020/09/macos-safari-preferences-and-privacy.html
code: rm -f ~/Library/Safari/Downloads.plist
-
name: Clear Safari top sites
docs: https://davidkoepi.wordpress.com/2013/04/20/safariforensic/
code: rm -f ~/Library/Safari/TopSites.plist
-
name: Clear Safari last session (open tabs) history
docs:
- https://apple.stackexchange.com/a/374116
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7127
code: rm -f ~/Library/Safari/LastSession.plist
-
category: Clear Safari caches
children:
-
name: Clear Safari cached blobs, URLs and timestamps
docs: https://davidkoepi.wordpress.com/2013/04/20/safariforensic/
code: rm -f ~/Library/Caches/com.apple.Safari/Cache.db
-
name: Clear Safari web page icons displayed on URL bar
docs:
- https://davidkoepi.wordpress.com/2013/04/20/safariforensic/
- https://lifehacker.com/safaris-private-browsing-mode-saves-urls-in-an-easily-a-1691944343
code: rm -f ~/Library/Safari/WebpageIcons.db
-
name: Clear Safari webpage previews (thumbnails)
docs:
- https://davidkoepi.wordpress.com/2013/04/20/safariforensic/
- https://www.reddit.com/r/apple/comments/18lp92/your_apple_computer_keeps_a_screen_shot_of_nearly/
code: rm -rfv ~/Library/Caches/com.apple.Safari/Webpage\ Previews
-
name: Clear copy of the Safari history
docs: https://forensicsfromthesausagefactory.blogspot.com/2010/06/safari-history-spotlight-webhistory.html
code: rm -rfv ~/Library/Caches/Metadata/Safari/History
-
name: Clear search history embedded in Safari preferences
docs: https://krypted.com/tag/recentsearchstrings/
code: defaults write ~/Library/Preferences/com.apple.Safari RecentSearchStrings '( )'
-
name: Clear Safari cookies
docs:
- https://www.toolbox.com/tech/operating-systems/blogs/understanding-the-safari-cookiesbinarycookies-file-format-010712/
- https://link.springer.com/content/pdf/10.1007/0-387-36891-4_13.pdf
code: |-
rm -f ~/Library/Cookies/Cookies.binarycookies
# Used before Safari 5.1
rm -f ~/Library/Cookies/Cookies.plist
-
name: Clear Safari zoom level preferences per site
docs: https://blog.d204n6.com/2020/09/macos-safari-preferences-and-privacy.html
code: rm -f ~/Library/Safari/PerSiteZoomPreferences.plist
-
name: Clear URLs that are allowed to display notifications in Safari
docs: https://blog.d204n6.com/2020/09/macos-safari-preferences-and-privacy.html
code: rm -f ~/Library/Safari/UserNotificationPreferences.plist
-
name: Clear Safari per-site preferences for Downloads, Geolocation, PopUps, and Autoplays
docs: https://blog.d204n6.com/2020/09/macos-safari-preferences-and-privacy.html
code: rm -f ~/Library/Safari/PerSitePreferences.db
-
category: Clear Firefox history
children:
-
name: Clear Firefox cache
code: |-
sudo rm -rf ~/Library/Caches/Mozilla/
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/netpredictions.sqlite
-
name: Delete Firefox form history
code: |-
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/formhistory.sqlite
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/formhistory.dat
-
name: Delete Firefox site preferences
code: rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/content-prefs.sqlite
-
name: Delete Firefox session restore data (loads after the browser closes or crashes)
code: |-
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/sessionCheckpoints.json
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/sessionstore*.js*
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/sessionstore.bak*
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/sessionstore-backups/previous.js*
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/sessionstore-backups/recovery.js*
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/sessionstore-backups/recovery.bak*
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/sessionstore-backups/previous.bak*
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/sessionstore-backups/upgrade.js*-20*
-
name: Delete Firefox passwords
docs: https://web.archive.org/web/20210425202923/http://kb.mozillazine.org/Password_Manager
code: |-
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/signons.txt
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/signons2.txt
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/signons3.txt
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/signons.sqlite
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/logins.json
-
name: Delete Firefox HTML5 cookies
code: rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/webappsstore.sqlite
-
name: Delete Firefox crash reports
code: |-
rm -rfv ~/Library/Application\ Support/Firefox/Crash\ Reports/
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/minidumps/*.dmp
-
name: Delete Firefox backup files
code: |-
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/bookmarkbackups/*.json
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/bookmarkbackups/*.jsonlz4
-
name: Delete Firefox cookies
code: |-
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/cookies.txt
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/cookies.sqlite
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/cookies.sqlite-shm
rm -fv ~/Library/Application\ Support/Firefox/Profiles/*/cookies.sqlite-wal
rm -rfv ~/Library/Application\ Support/Firefox/Profiles/*/storage/default/http*
-
category: Clear third party application data
children:
-
name: Clear Adobe cache
recommend: standard
code: sudo rm -rfv ~/Library/Application\ Support/Adobe/Common/Media\ Cache\ Files/* &>/dev/null
-
name: Clear Gradle cache
recommend: strict
code: |-
if [ -d "/Users/${HOST}/.gradle/caches" ]; then
rm -rfv ~/.gradle/caches/ &> /dev/null
fi
-
name: Clear Dropbox cache
recommend: standard
code: |-
if [ -d "/Users/${HOST}/Dropbox" ]; then
sudo rm -rfv ~/Dropbox/.dropbox.cache/* &>/dev/null
fi
-
name: Clear Google Drive file stream cache
recommend: standard
code: |-
killall "Google Drive File Stream"
rm -rfv ~/Library/Application\ Support/Google/DriveFS/[0-9a-zA-Z]*/content_cache &>/dev/null
-
name: Clear Composer cache
recommend: strict
code: |-
if type "composer" &> /dev/null; then
composer clearcache &> /dev/null
fi
-
name: Clear Homebrew cache
recommend: strict
code: |-
if type "brew" &>/dev/null; then
brew cleanup -s &>/dev/null
rm -rfv $(brew --cache) &>/dev/null
brew tap --repair &>/dev/null
fi
-
name: Clear any old versions of Ruby gems
recommend: strict
code: |-
if type "gem" &> /dev/null; then
gem cleanup &>/dev/null
fi
-
name: Clear Docker
recommend: strict
code: |-
if type "docker" &> /dev/null; then
docker system prune -af
fi
-
name: Clear Pyenv-VirtualEnv cache
recommend: strict
code: |-
if [ "$PYENV_VIRTUALENV_CACHE_PATH" ]; then
rm -rfv $PYENV_VIRTUALENV_CACHE_PATH &>/dev/null
fi
-
name: Clear NPM cache
recommend: strict
code: |-
if type "npm" &> /dev/null; then
npm cache clean --force
fi
-
name: Clear Yarn cache
recommend: strict
code: |-
if type "yarn" &> /dev/null; then
echo 'Cleanup Yarn Cache...'
yarn cache clean --force
fi
-
category: iOS Cleanup
children:
-
name: Clear iOS applications
recommend: strict
code: rm -rfv ~/Music/iTunes/iTunes\ Media/Mobile\ Applications/* &>/dev/null
-
name: Clear iOS photo caches
recommend: standard
code: rm -rf ~/Pictures/iPhoto\ Library/iPod\ Photo\ Cache/*
-
name: Remove iOS Device Backups
recommend: strict
code: rm -rfv ~/Library/Application\ Support/MobileSync/Backup/* &>/dev/null
-
name: Clear iOS Simulators
recommend: strict
code: |-
if type "xcrun" &>/dev/null; then
osascript -e 'tell application "com.apple.CoreSimulator.CoreSimulatorService" to quit'
osascript -e 'tell application "iOS Simulator" to quit'
osascript -e 'tell application "Simulator" to quit'
xcrun simctl shutdown all
xcrun simctl erase all
fi
-
name: Clear the list of iOS devices connected
recommend: strict
code: |-
sudo defaults delete /Users/$USER/Library/Preferences/com.apple.iPod.plist "conn:128:Last Connect"
sudo defaults delete /Users/$USER/Library/Preferences/com.apple.iPod.plist Devices
sudo defaults delete /Library/Preferences/com.apple.iPod.plist "conn:128:Last Connect"
sudo defaults delete /Library/Preferences/com.apple.iPod.plist Devices
sudo rm -rfv /var/db/lockdown/*
-
name: Clear XCode Derived Data and Archives
recommend: strict
code: |-
rm -rfv ~/Library/Developer/Xcode/DerivedData/* &>/dev/null
rm -rfv ~/Library/Developer/Xcode/Archives/* &>/dev/null
rm -rfv ~/Library/Developer/Xcode/iOS Device Logs/* &>/dev/null
-
name: Clear DNS cache
recommend: standard
code: |-
sudo dscacheutil -flushcache
sudo killall -HUP mDNSResponder
-
name: Purge inactive memory
recommend: standard
code: sudo purge
-
category: Reset privacy permissions for all applications
children:
-
name: Reset camera permissions
code: tccutil reset Camera
-
name: Reset microphone permissions
code: tccutil reset Microphone
-
name: Reset accessibility permissions
code: tccutil reset Accessibility
-
name: Reset screen capture permissions
code: tccutil reset ScreenCapture
-
name: Reset reminders permissions
code: tccutil reset Reminders
-
name: Reset photos permissions
code: tccutil reset Photos
-
name: Reset calendar permissions
code: tccutil reset Calendar
-
name: Reset full disk access permissions
code: tccutil reset SystemPolicyAllFiles
-
name: Reset contacts permissions
code: tccutil reset SystemPolicyAllFiles
-
name: Reset desktop folder permissions
code: tccutil reset SystemPolicyDesktopFolder
-
name: Reset documents folder permissions
code: tccutil reset SystemPolicyDocumentsFolder
-
name: Reset downloads permissions
code: tccutil reset SystemPolicyDownloadsFolder
-
name: Reset all app permissions
code: tccutil reset All
-
category: Configure programs
children:
-
name: Disable Firefox telemetry
recommend: standard
docs: https://github.com/mozilla/policy-templates/blob/master/README.md
code: |-
# Enable Firefox policies so the telemetry can be configured.
sudo defaults write /Library/Preferences/org.mozilla.firefox EnterprisePoliciesEnabled -bool TRUE
# Disable sending usage data
sudo defaults write /Library/Preferences/org.mozilla.firefox DisableTelemetry -bool TRUE
revertCode: |-
sudo defaults delete /Library/Preferences/org.mozilla.firefox EnterprisePoliciesEnabled
sudo defaults delete /Library/Preferences/org.mozilla.firefox DisableTelemetry
-
name: Disable Microsoft Office diagnostics data sending
recommend: standard
code: defaults write com.microsoft.office DiagnosticDataTypePreference -string ZeroDiagnosticData
revertCode: defaults delete com.microsoft.office DiagnosticDataTypePreference
-
name: Uninstall Google update
recommend: strict
code: |-
googleUpdateFile=~/Library/Google/GoogleSoftwareUpdate/GoogleSoftwareUpdate.bundle/Contents/Resources/ksinstall
if [ -f "$googleUpdateFile" ]; then
$googleUpdateFile --nuke
echo Uninstalled google update
else
echo Google update file does not exist
fi
-
name: Disable Homebrew user behavior analytics
recommend: standard
docs: https://docs.brew.sh/Analytics
call:
-
function: PersistUserEnvironmentConfiguration
parameters:
configuration: export HOMEBREW_NO_ANALYTICS=1
-
name: Disable NET Core CLI telemetry
recommend: standard
call:
-
function: PersistUserEnvironmentConfiguration
parameters:
configuration: export DOTNET_CLI_TELEMETRY_OPTOUT=1
-
name: Disable PowerShell Core telemetry
recommend: standard
docs: https://github.com/PowerShell/PowerShell/blob/v7.1.0/README.md#telemetry
call:
-
function: PersistUserEnvironmentConfiguration
parameters:
configuration: export POWERSHELL_TELEMETRY_OPTOUT=1
-
category: Configure OS
children:
-
category: Configure Apple Remote Desktop
children:
-
name: Deactivate the Remote Management Service
recommend: strict
code: sudo /System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Resources/kickstart -deactivate -stop
revertCode: sudo /System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/Resources/kickstart -activate -restart -agent -console
-
name: Remove Apple Remote Desktop Settings
recommend: strict
code: |-
sudo rm -rf /var/db/RemoteManagement
sudo defaults delete /Library/Preferences/com.apple.RemoteDesktop.plist
defaults delete ~/Library/Preferences/com.apple.RemoteDesktop.plist
sudo rm -r /Library/Application\ Support/Apple/Remote\ Desktop/
rm -r ~/Library/Application\ Support/Remote\ Desktop/
rm -r ~/Library/Containers/com.apple.RemoteDesktop
-
name: Disable Internet based spell correction
code: defaults write NSGlobalDomain WebAutomaticSpellingCorrectionEnabled -bool false
revertCode: defaults delete NSGlobalDomain WebAutomaticSpellingCorrectionEnabled
-
name: Disable Remote Apple Events
recommend: strict
code: sudo systemsetup -setremoteappleevents off
revertCode: sudo systemsetup -setremoteappleevents on
-
name: Do not store documents to iCloud Drive by default
docs: https://macos-defaults.com/finder/nsdocumentsavenewdocumentstocloud.html
recommend: standard
code: defaults write NSGlobalDomain NSDocumentSaveNewDocumentsToCloud -bool false
revertCode: defaults delete NSGlobalDomain NSDocumentSaveNewDocumentsToCloud
-
name: Do not show recent items on dock
docs: https://developer.apple.com/documentation/devicemanagement/dock
code: defaults write com.apple.dock show-recents -bool false
revertCode: defaults delete com.apple.dock show-recents
-
name: Disable AirDrop file sharing
recommend: strict
code: defaults write com.apple.NetworkBrowser DisableAirDrop -bool true
revertCode: defaults write com.apple.NetworkBrowser DisableAirDrop -bool false
-
category: Configure Siri
children:
-
name: Opt-out from Siri data collection
recommend: standard
code: defaults write com.apple.assistant.support 'Siri Data Sharing Opt-In Status' -int 2
revertCode: defaults delete com.apple.assistant.support 'Siri Data Sharing Opt-In Status'
-
category: Disable Siri
children:
-
name: Disable "Ask Siri"
recommend: strict
docs: https://derflounder.wordpress.com/2016/09/20/blocking-siri-on-macos-sierra/
code: defaults write com.apple.assistant.support 'Assistant Enabled' -bool false
revertCode: defaults write com.apple.assistant.support 'Assistant Enabled' -bool true
-
name: Disable Siri voice feedback
recommend: strict
docs:
- https://github.com/joeyhoer/starter/blob/master/system/siri.sh
- https://machippie.github.io/system/
code: defaults write com.apple.assistant.backedup 'Use device speaker for TTS' -int 3
revertCode: defaults write com.apple.assistant.backedup 'Use device speaker for TTS' -int 2
-
name: Disable Siri services (Siri and assistantd)
recommend: strict
docs:
- https://apple.stackexchange.com/questions/57514/what-is-assistantd
- https://www.jamf.com/jamf-nation/discussions/22757/kill-siri#responseChild137563
- https://apple.stackexchange.com/a/370426
# To see status: • `launchctl print-disabled system` • `launchctl print-disabled user/$UID` • `launchctl print-disabled gui/$UID`
code: |-
launchctl disable "user/$UID/com.apple.assistantd"
launchctl disable "gui/$UID/com.apple.assistantd"
sudo launchctl disable 'system/com.apple.assistantd'
launchctl disable "user/$UID/com.apple.Siri.agent"
launchctl disable "gui/$UID/com.apple.Siri.agent"
sudo launchctl disable 'system/com.apple.Siri.agent'
if [ $(/usr/bin/csrutil status | awk '/status/ {print $5}' | sed 's/\.$//') = "enabled" ]; then
>&2 echo 'This script requires SIP to be disabled. Read more: https://developer.apple.com/documentation/security/disabling_and_enabling_system_integrity_protection'
fi
revertCode: |-
launchctl enable "user/$UID/com.apple.assistantd"
launchctl enable "gui/$UID/com.apple.assistantd"
sudo launchctl enable 'system/com.apple.assistantd'
launchctl enable "user/$UID/com.apple.Siri.agent"
launchctl enable "gui/$UID/com.apple.Siri.agent"
sudo launchctl enable 'system/com.apple.Siri.agent'
if [ $(/usr/bin/csrutil status | awk '/status/ {print $5}' | sed 's/\.$//') = "enabled" ]; then
>&2 echo 'This script requires SIP to be disabled. Read more: https://developer.apple.com/documentation/security/disabling_and_enabling_system_integrity_protection''
fi
-
name: Disable "Do you want to enable Siri?" pop-up
docs:
- https://discussions.apple.com/thread/7694127?answerId=30752577022#30752577022
- https://windowsreport.com/mac/siri-keeps-popping-up/
- https://www.jamf.com/jamf-nation/discussions/21783/disable-siri-setup-assistant-in-macos-sierra#responseChild131588
code: defaults write com.apple.SetupAssistant 'DidSeeSiriSetup' -bool True
revertCode: defaults delete com.apple.SetupAssistant 'DidSeeSiriSetup'
-
category: Hide Siri
children:
-
name: Hide Siri from menu bar
recommend: strict
code: defaults write com.apple.systemuiserver 'NSStatusItem Visible Siri' 0
revertCode: defaults write com.apple.systemuiserver 'NSStatusItem Visible Siri' 1
-
name: Hide Siri from status menu
recommend: strict
docs: https://derflounder.wordpress.com/2016/09/20/blocking-siri-on-macos-sierra/
code: |-
defaults write com.apple.Siri 'StatusMenuVisible' -bool false
defaults write com.apple.Siri 'UserHasDeclinedEnable' -bool true
revertCode: |-
defaults delete com.apple.Siri 'StatusMenuVisible'
defaults delete com.apple.Siri 'UserHasDeclinedEnable'
-
name: Disable Spotlight indexing
code: sudo mdutil -i off -d /
revertCode: sudo mdutil -i on /
-
category: Security improvements
children:
-
category: Configure macOS Application Firewall
children:
-
name: Enable application firewall
recommend: standard
docs:
- https://www.stigviewer.com/stig/apple_os_x_10.13/2018-10-01/finding/V-81681
- https://daiderd.com/nix-darwin/manual/index.html
- https://developer.apple.com/documentation/devicemanagement/firewall
code: |-
/usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate on
sudo defaults write /Library/Preferences/com.apple.alf globalstate -bool true
defaults write com.apple.security.firewall EnableFirewall -bool true
revertCode: |-
/usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate off
sudo defaults write /Library/Preferences/com.apple.alf globalstate -bool false
defaults write com.apple.security.firewall EnableFirewall -bool false
-
name: Turn on firewall logging
recommend: standard
docs:
- https://www.stigviewer.com/stig/apple_os_x_10.13/2018-10-01/finding/V-81671
- https://daiderd.com/nix-darwin/manual/index.html
code: |-
/usr/libexec/ApplicationFirewall/socketfilterfw --setloggingmode on
sudo defaults write /Library/Preferences/com.apple.alf loggingenabled -bool true
revertCode: |-
/usr/libexec/ApplicationFirewall/socketfilterfw --setloggingmode off
sudo defaults write /Library/Preferences/com.apple.alf loggingenabled -bool false
-
name: Turn on stealth mode
recommend: standard
docs:
- https://www.stigviewer.com/stig/apple_os_x_10.8_mountain_lion_workstation/2015-02-10/finding/V-51327
- https://daiderd.com/nix-darwin/manual/index.html
- https://developer.apple.com/documentation/devicemanagement/firewall
code: |-
/usr/libexec/ApplicationFirewall/socketfilterfw --setstealthmode on
sudo defaults write /Library/Preferences/com.apple.alf stealthenabled -bool true
defaults write com.apple.security.firewall EnableStealthMode -bool true
revertCode: |-
/usr/libexec/ApplicationFirewall/socketfilterfw --setstealthmode off
sudo defaults write /Library/Preferences/com.apple.alf stealthenabled -bool false
defaults write com.apple.security.firewall EnableStealthMode -bool false
-
category: Disable auto-permitting incoming traffic for apps
children:
-
name: Prevent automatically allowing incoming connections to signed apps
docs: https://daiderd.com/nix-darwin/manual/index.html
recommend: strict
code: sudo defaults write /Library/Preferences/com.apple.alf allowsignedenabled -bool false
revertCode: sudo defaults write /Library/Preferences/com.apple.alf allowsignedenabled -bool true
-
name: Prevent automatically allowing incoming connections to downloaded signed apps
docs: https://daiderd.com/nix-darwin/manual/index.html
recommend: strict
code: sudo defaults write /Library/Preferences/com.apple.alf allowdownloadsignedenabled -bool false
revertCode: sudo defaults write /Library/Preferences/com.apple.alf allowdownloadsignedenabled -bool true
-
name: Disable Captive portal
# An attacker could trigger the utility and direct a Mac to a site with malware without user interaction,
# so it's best to disable this feature and log in to captive portals using regular Web browser instead.
recommend: standard
docs:
# Risks with captive portals:
- https://www.eff.org/deeplinks/2017/08/how-captive-portals-interfere-wireless-security-and-privacy
# More about apple Captive portal:
- https://web.archive.org/web/20171008071031if_/http://blog.erratasec.com/2010/09/apples-secret-wispr-request.html#.WdnPa5OyL6Y
- https://web.archive.org/web/20130407200745/http://www.divertednetworks.net/apple-captiveportal.html
- https://web.archive.org/web/20170622064304/https://grpugh.wordpress.com/2014/10/29/an-undocumented-change-to-captive-network-assistant-settings-in-os-x-10-10-yosemite/
code: sudo defaults write /Library/Preferences/SystemConfiguration/com.apple.captive.control.plist Active -bool false
revertCode: sudo defaults delete /Library/Preferences/SystemConfiguration/com.apple.captive.control.plist Active
-
category: Use screen saver for protection
children:
-
name: Require a password to wake the computer from sleep or screen saver
# The screen saver acts as a session lock and prevents unauthorized users from accessing the current user's account.
docs: https://www.stigviewer.com/stig/apple_macos_11_big_sur/2020-11-27/finding/V-230744
code: sudo defaults write /Library/Preferences/com.apple.screensaver askForPassword -bool true
revertCode: sudo defaults delete /Library/Preferences/com.apple.screensaver askForPassword
-
name: Initiate session lock five seconds after screen saver is started
docs: https://www.stigviewer.com/stig/apple_macos_11_big_sur/2020-11-27/finding/V-230745
# An unattended system with an excessive grace period is vulnerable to a malicious user.
code: sudo defaults write /Library/Preferences/com.apple.screensaver 'askForPasswordDelay' -int 5
revertCode: sudo defaults delete /Library/Preferences/com.apple.screensaver 'askForPasswordDelay'
-
category: Disable guest accounts
docs:
- https://www.stigviewer.com/stig/apple_macos_11_big_sur/2021-06-16/finding/V-230823
- https://www.stigviewer.com/stig/apple_os_x_10.13/2018-10-01/finding/V-81615
children:
-
name: Disables signing in as Guest from the login screen
code: sudo defaults write /Library/Preferences/com.apple.loginwindow GuestEnabled -bool NO
revetCode: sudo defaults write /Library/Preferences/com.apple.loginwindow GuestEnabled -bool YES
-
name: Disables Guest access to file shares over AF
code: sudo defaults write /Library/Preferences/SystemConfiguration/com.apple.smb.server AllowGuestAccess -bool NO
revetCode: sudo defaults write /Library/Preferences/SystemConfiguration/com.apple.smb.server AllowGuestAccess -bool YES
-
name: Disables Guest access to file shares over SMB
code: sudo defaults write /Library/Preferences/com.apple.AppleFileServer guestAccess -bool NO
revetCode: sudo defaults write /Library/Preferences/com.apple.AppleFileServer guestAccess -bool YES
-
category: Prevent unauthorized connections
children:
-
name: Disable remote login (incoming SSH and SFTP connections)
recommend: standard
docs: https://osxdaily.com/2016/08/16/enable-ssh-mac-command-line/
# Check if enabled: sudo systemsetup -getremotelogin, returns "Remote Login: On" or "Off"
code: echo 'yes' | sudo systemsetup -setremotelogin off
revertCode: sudo systemsetup -setremotelogin on
-
name: Disable insecure TFTP service
recommend: standard
# If the system does not require Trivial File Transfer Protocol (TFTP), then support for
# it is non-essential and should be disabled. The information system should be configured to
# provide only essential capabilities. Disabling TFTP helps prevent the unauthorized connection
# of devices and the unauthorized transfer of information.
docs: https://www.stigviewer.com/stig/apple_macos_11_big_sur/2021-06-16/finding/V-230813
code: sudo launchctl disable 'system/com.apple.tftpd'
revertCode: sudo launchctl enable 'system/com.apple.tftpd'
-
name: Disable Bonjour multicast advertising
recommend: standard
docs: https://www.stigviewer.com/stig/apple_os_x_10.11/2017-04-06/finding/V-67593
code: sudo defaults write /Library/Preferences/com.apple.mDNSResponder.plist NoMulticastAdvertisements -bool true
revertCode: sudo defaults write /Library/Preferences/com.apple.mDNSResponder.plist NoMulticastAdvertisements -bool false
-
name: Disable insecure telnet protocol
recommend: standard
docs:
- https://www.stigviewer.com/stig/apple_os_x_10.13/2020-09-11/finding/V-214882
- https://www.stigviewer.com/stig/apple_os_x_10.10_yosemite_workstation/2017-04-06/finding/V-59671
code: sudo launchctl disable system/com.apple.telnetd
revertCode: sudo launchctl enable system/com.apple.telnetd
-
category: Disable printer sharing (IPP, LDP, SMB and Bonjour protocols)
# Used typically for servers
# By default, the CUPS only listens to requests from the machine that it's running on
# cupsctl is a tool to manage the configuration of the CUPS daemon
docs:
- https://www.cups.org/doc/sharing.html
- https://www.cups.org/doc/security.html # Security risks
children:
-
name: Disable sharing of local printers with other computers
recommend: standard
docs: https://www.cups.org/doc/man-cupsctl.html
code: cupsctl --no-share-printers
revertCode: cupsctl --share-printers
-
name: Disable printing from any address including the Internet
recommend: standard
docs: https://www.cups.org/doc/man-cupsctl.html
code: cupsctl --no-remote-any
revertCode: cupsctl --remote-any
-
name: Disable remote printer administration
recommend: standard
docs: https://www.cups.org/doc/man-cupsctl.html
code: cupsctl --no-remote-admin
revertCode: cupsctl --remote-admin
-
category: Privacy over security
children:
-
category: Disable File Quarantine (tracks downloaded files and warns)
# OS tracks downloaded files with help of quarantine-aware applications
# (such as Safari, Chrome) adding quarantine extended attributes to files.
# then OS warns and asks if you really want to open it
docs: https://support.apple.com/en-gb/HT202491
children:
-
category: Clean File Quarantine from downloaded files
children:
-
name: Clear File Quarantine logs of all downloaded files
recommend: strict
docs:
- https://www.macobserver.com/tips/how-to/your-mac-remembers-everything-you-download-heres-how-to-clear-download-history/
- https://eclecticlight.co/2019/04/25/%F0%9F%8E%97-quarantine-apps/
- https://eclecticlight.co/2017/12/11/xattr-com-apple-quarantine-the-quarantine-flag/
- https://eclecticlight.co/2017/08/14/show-me-your-metadata-extended-attributes-in-macos-sierra/
# Query entries using:
# sqlite3 ~/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV2 'select DISTINCT LSQuarantineDataURLString from LSQuarantineEvent'
code: |-
db_file=~/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV2
db_query='delete from LSQuarantineEvent'
if [ -f "$db_file" ]; then
echo "Database exists at \"$db_file\""
if ls -lO "$db_file" | grep --silent 'schg'; then
sudo chflags noschg "$db_file"
echo "Found and removed system immutable flag"
has_sytem_immutable_flag=true
fi
if ls -lO "$db_file" | grep --silent 'uchg'; then
sudo chflags nouchg "$db_file"
echo "Found and removed user immutable flag"
has_user_immutable_flag=true
fi
sqlite3 "$db_file" "$db_query"
echo "Executed the query \"$db_query\""
if [ "$has_sytem_immutable_flag" = true ] ; then
sudo chflags schg "$db_file"
echo "Added system immutable flag back"
fi
if [ "$has_user_immutable_flag" = true ] ; then
sudo chflags uchg "$db_file"
echo "Added user immutable flag back"
fi
else
echo "No action needed, database does not exist at \"$db_file\""
fi
-
name: Clear File Quarantine attribute from downloaded files
docs: https://superuser.com/questions/28384/what-should-i-do-about-com-apple-quarantine
code: |-
find ~/Downloads \
-type f \
-exec \
sh -c \
'
attr="com.apple.quarantine"
file="{}"
if [[ $(xattr "$file") = *$attr* ]]; then
if xattr -d "$attr" "$file" 2>/dev/null; then
echo "🧹 Cleaned attribute from \"$file\""
else
>&2 echo "❌ Failed to clean attribute from \"$file\""
fi
else
echo "No attribute in \"$file\""
fi
' \
{} \;
-
category: Disable File Quarantine from tracking downloaded files
children:
-
name: Prevent quarantine from logging downloaded files
docs:
- https://eclecticlight.co/2019/04/25/%F0%9F%8E%97-quarantine-apps/
- https://eclecticlight.co/2017/12/11/xattr-com-apple-quarantine-the-quarantine-flag/
- https://eclecticlight.co/2017/08/14/show-me-your-metadata-extended-attributes-in-macos-sierra/
recommend: strict
code: |-
file_to_lock=~/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV2
if [ -f "$file_to_lock" ]; then
sudo chflags schg "$file_to_lock"
echo "Made file immutable at \"$file_to_lock\""
else
echo "No action is needed, file does not exist at \"$file_to_lock\""
fi
revertCode: |-
file_to_lock=~/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV2
if [ -f "$file_to_lock" ]; then
sudo chflags noschg "$file_to_lock"
echo "Successfully reverted immutability from \"$file_to_lock\""
else
>&2 echo "Cannot revert immutability, file does not exist at\"$file_to_lock\""
fi
-
name: Disable using extended quarantine attribute on downloaded files (disables warning)
# Disables dialogs shown when opening an application for the first time
# i.e. "Application Downloaded from Internet" quarantine warning.
docs:
- https://apple.stackexchange.com/questions/373176/disable-the-use-of-the-com-apple-quarantine-extended-attribute-on-mojave
- https://superuser.com/questions/266176/is-there-some-way-to-disable-the-dialogs-shown-when-opening-an-application-for-t
- https://macos-defaults.com/misc/lsquarantine.html
code: sudo defaults write com.apple.LaunchServices 'LSQuarantine' -bool NO
revertCode: sudo defaults delete com.apple.LaunchServices 'LSQuarantine'
-
category: Disable Gatekeeper (enforces code-signing)
# Built on top of File Quarantine, requires code-signing for apps.
# Warns user if a file is not signed by it's developer with certificate issued by Apple.
# Can protect against unknown threats.
children:
-
name: Prevent Gatekeeper from automatically reactivating itself
docs:
- https://osxdaily.com/2015/11/05/stop-gatekeeper-auto-rearm-mac-os-x/
- https://www.cnet.com/tech/computing/how-to-disable-gatekeeper-permanently-on-os-x/
code: sudo defaults write /Library/Preferences/com.apple.security GKAutoRearm -bool true
revertCode: sudo defaults write /Library/Preferences/com.apple.security GKAutoRearm -bool false
-
name: Disable Gatekeeper
docs:
# References for spctl --master-disable
- https://www.manpagez.com/man/8/spctl/
# References for /var/db/SystemPolicy-prefs.plist
- https://krypted.com/mac-security/manage-gatekeeper-from-the-command-line-in-mountain-lion/
- https://community.jamf.com/t5/jamf-pro/users-can-t-change-password-greyed-out/m-p/54228
code: |-
os_major_ver=$(sw_vers -productVersion | awk -F "." '{print $1}')
os_minor_ver=$(sw_vers -productVersion | awk -F "." '{print $2}')
if [[ $os_major_ver -le 10 \
|| ( $os_major_ver -eq 10 && $os_minor_ver -lt 7 ) \
]]; then
echo "No action needed, Gatekeeper is not available this OS version"
else
gatekeeper_status="$(spctl --status | awk '/assessments/ {print $2}')"
if [ $gatekeeper_status = "disabled" ]; then
echo "No action needed, Gatekeeper is already disabled"
elif [ $gatekeeper_status = "enabled" ]; then
sudo spctl --master-disable
sudo defaults write '/var/db/SystemPolicy-prefs' 'enabled' -string 'no'
echo "Disabled Gatekeeper"
else
>&2 echo "Unknown gatekeeper status: $gatekeeper_status"
fi
fi
revertCode: |-
os_major_ver=$(sw_vers -productVersion | awk -F "." '{print $1}')
os_minor_ver=$(sw_vers -productVersion | awk -F "." '{print $2}')
if [[ $os_major_ver -le 10 \
|| ( $os_major_ver -eq 10 && $os_minor_ver -lt 7 ) \
]]; then
>&2 echo "Gatekeeper is not available in this OS version"
else
gatekeeper_status="$(spctl --status | awk '/assessments/ {print $2}')"
if [ $gatekeeper_status = "disabled" ]; then
sudo spctl --master-enable
sudo defaults write '/var/db/SystemPolicy-prefs' 'enabled' -string 'yes'
echo "Enabled Gatekeeper"
elif [ $gatekeeper_status = "enabled" ]; then
echo "No action needed, Gatekeeper is already enabled"
else
>&2 echo "Unknown Gatekeeper status: $gatekeeper_status"
fi
fi
-
name: Disable Library Validation Entitlement (checks signature of libraries)
docs:
- https://developer.apple.com/documentation/bundleresources/entitlements/com_apple_security_cs_disable-library-validation
- https://www.macenhance.com/docs/general/sip-library-validation.html
- https://www.naut.ca/blog/2020/11/13/forbidden-commands-to-liberate-macos/
code: sudo defaults write /Library/Preferences/com.apple.security.libraryvalidation.plist 'DisableLibraryValidation' -bool true
revertCode: sudo defaults write /Library/Preferences/com.apple.security.libraryvalidation.plist 'DisableLibraryValidation' -bool false
-
category: Disable automatic updates
docs:
- https://developer.apple.com/documentation/devicemanagement/deviceinformationresponse/queryresponses/osupdatesettings
- https://macadminsdoc.readthedocs.io/en/master/Profiles-and-Settings/OS-X-Updates.html
children:
-
name: Disable automatically checking for updates
docs: https://developer.apple.com/documentation/devicemanagement/softwareupdate
code: |-
# For OS X Yosemite and later (>= 10.10)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'AutomaticCheckEnabled' -bool false
revertCode: |-
# For OS X Yosemite and later (>= 10.10)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'AutomaticCheckEnabled' -bool true
-
name: Disable automatically downloading new updates when available
docs: https://developer.apple.com/documentation/devicemanagement/softwareupdate
code: |-
# For OS X Yosemite and later (>= 10.10)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'AutomaticDownload' -bool false
revertCode: |-
# For OS X Yosemite and later (>= 10.10)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'AutomaticDownload' -bool true
-
name: Disable automatically installing macOS updates
docs:
# References for AutoUpdateRestartRequired
- https://kb.vmware.com/s/article/2960635
- https://derflounder.wordpress.com/2018/12/28/enabling-automatic-macos-software-updates-for-os-x-yosemite-through-macos-mojave/
# References for AutomaticallyInstallMacOSUpdates
- https://developer.apple.com/documentation/devicemanagement/softwareupdate
code: |-
# For OS X Yosemite through macOS High Sierra (>= 10.10 && < 10.14)
sudo defaults write /Library/Preferences/com.apple.commerce 'AutoUpdateRestartRequired' -bool false
# For Mojave and later (>= 10.14)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'AutomaticallyInstallMacOSUpdates' -bool false
revertCode: |-
# For OS X Yosemite through macOS High Sierra (>= 10.10 && < 10.14)
sudo defaults write /Library/Preferences/com.apple.commerce 'AutoUpdateRestartRequired' -bool true
# For Mojave and later (>= 10.14)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'AutomaticallyInstallMacOSUpdates' -bool true
-
name: Disable automatically updating app from the App Store
docs:
- https://kb.vmware.com/s/article/2960635
- https://derflounder.wordpress.com/2018/12/28/enabling-automatic-macos-software-updates-for-os-x-yosemite-through-macos-mojave/
code: |-
# For OS X Yosemite and later (>= 10.10)
sudo defaults write /Library/Preferences/com.apple.commerce 'AutoUpdate' -bool false
# For Mojave and later (>= 10.14)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'AutomaticallyInstallAppUpdates' -bool false
revertCode: |-
# For OS X Yosemite and later
sudo defaults write /Library/Preferences/com.apple.commerce 'AutoUpdate' -bool true
# For Mojave and later (>= 10.14)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'AutomaticallyInstallAppUpdates' -bool true
-
name: Disable installation of macOS beta releases
docs: https://support.apple.com/en-gb/HT203018
code: |-
# For OS X Yosemite and later (>= 10.10)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'AllowPreReleaseInstallation' -bool false
revertCode: |-
# For OS X Yosemite and later (>= 10.10)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'AllowPreReleaseInstallation' -bool true
-
name: Disable automatically installing configuration data (e.g. XProtect, Gatekeeper, MRT)
docs: https://derflounder.wordpress.com/2018/12/28/enabling-automatic-macos-software-updates-for-os-x-yosemite-through-macos-mojave/
code: |-
# For OS X Yosemite and later (>= 10.10)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'ConfigDataInstall' -bool false
revertCode: |-
# For OS X Yosemite and later (>= 10.10)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'ConfigDataInstall' -bool true
-
name: Disable automatically installing system data files and security updates
docs:
# References for CriticalUpdateInstall
- https://derflounder.wordpress.com/2014/12/24/managing-os-xs-automatic-security-updates/
- https://developer.apple.com/documentation/devicemanagement/softwareupdate
# References for softwareupdate --background-critical
- https://managingosx.wordpress.com/2013/04/30/undocumented-options/
code: |-
# For OS X Yosemite and later (>= 10.10)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'CriticalUpdateInstall' -bool false
revertCode: |-
# For OS X Yosemite and later (>= 10.10)
sudo defaults write /Library/Preferences/com.apple.SoftwareUpdate 'CriticalUpdateInstall' -bool true
# Trigger background check with normal scan (critical updates only)
sudo softwareupdate --background-critical
functions:
-
name: PersistUserEnvironmentConfiguration
parameters:
- name: configuration
code: |-
command='{{ $configuration }}'
declare -a profile_files=("$HOME/.bash_profile" "$HOME/.zprofile")
for profile_file in "${profile_files[@]}"
do
touch "$profile_file"
if ! grep -q "$command" "${profile_file}"; then
echo "$command" >> "$profile_file"
echo "[$profile_file] Configured"
else
echo "[$profile_file] No need for any action, already configured"
fi
done
revertCode: |-
command='{{ $configuration }}'
declare -a profile_files=("$HOME/.bash_profile" "$HOME/.zprofile")
for profile_file in "${profile_files[@]}"
do
if grep -q "$command" "${profile_file}" 2>/dev/null; then
sed -i '' "/$command/d" "$profile_file"
echo "[$profile_file] Reverted configuration"
else
echo "[$profile_file] No need for any action, configuration does not exist"
fi
done